Matthews Chacko, M.D.
NPI 1497884647 · Interventional Cardiology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthews Chacko, M.D. is a Interventional Cardiology Physician provider in Nashville, TN (NPI 1497884647).
Provider details
- NPI number
- 1497884647
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61727 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
441 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 133 | $12 |
| Insertion of Tube in Coronary Artery for Diagnosis With Review By Radiologist93454 | 52 | $196 |
| Critical Care, First 30-74 Minutes99291 | 50 | $197 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 39 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $91 |
| Insertion of Tube in Left Lower Heart Chamber and Coronary Artery for Diagnosis With Review By Radiologist |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 53 | 14 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 44 | 15 |
| Atorvastatin Calcium | 41 | 15 |
| Losartan Potassium | 24 | — |
| Ezetimibe | 21 | — |
| Carvedilol | 13 | — |
| Nifedipinebrand: Nifedipine Er | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$279 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Matthews Chacko's NPI number?
- Matthews Chacko's National Provider Identifier (NPI) is 1497884647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthews Chacko's specialty?
- Matthews Chacko is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthews Chacko located?
- Matthews Chacko's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0005.
- What is Matthews Chacko's phone number?
- The practice phone number listed in the NPPES registry for Matthews Chacko is (615) 936-2000.
- Does Matthews Chacko accept Medicare?
- Matthews Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthews Chacko's NPI active?
- Yes — Matthews Chacko's NPI (1497884647) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.